Yesterday, Dan had $9 more than Kai. This morning, he gave Kai $7.
- Who has more money now?
- How much more?
|
Dan |
Kai |
Before |
1 u + $9 |
1 u |
Change |
- $7 |
+ $7 |
After |
1 u + $2 |
1 u + $7 |
(a)
Amount that Dan has in the end
= 1 u + 9 - 7
= 1 u + 2
Amount that Kai has in the end
= 1 u + 7
Kai has more money now.
(b)
Amount that Kai has more than Dan
= 7 - 2
= $5
Answer(s): (a) Kai; (b) $5